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The testo 550 digital manifold can now make working on refrigeration systems and heat pumps even easier: the instrument can be used for 60 refrigerants, calculates superheating/subcooling automatically and can now also be connected to a practical smartphone/tablet app. The app makes the operation and the documentation of measurement results significantly more convenient.

Automatic superheating/subcooling calculation: no more need for manual calculations, which are prone to error

The testo 557 digital manifold fulfils numerous functions, which are required for working on refrigeration systems and heat pumps, in just one instrument: for example superheating/subcooling calculation, vacuum measurement, temperature-compensated leakage test. You can also use a practical app to monitor the manifold via your smartphone/tablet and store the measurement results or send them by e-mail.

Calculation of superheating and subcooling in real time: no manual calculation, which is prone to error

This temperature measuring instrument is particularly practical because it enables virtually any kind of temperature measurement. Whether for surface, air or immersion/penetration measurement: with the testo 925 you can rely on our all-rounder in heating engineering, the sanitation sector and refrigeration and air conditioning technology.

An attachable temperature probe and a radio temperature probe can be connected

Large range of fast temperature probes on offer for surface, air or immersion/penetration measurement (optional)

The testo 549 digital manifold offers many advantages in comparison with analog manifolds: the instrument will make it easier for you to work on refrigeration systems and heat pumps. With its integrated temperature measurement and automatic calculation of superheating/subcooling, you can now do away with additional measurements and manual comparisons (when using an optional clamp probe). You can also use the manifold for 60 current refrigerants.

60 current refrigerants stored in the instrument

Calculation of superheating and subcooling in real time (with optional clamp probe): saves you from having to carry

The testo 830-T2 infrared thermometer enables you to carry out efficient, non-contact surface temperature measurements. The IR thermometer will ensure that you are well equipped, especially for undertaking control measurements in trade and industry: the gun-style design is easy to handle and the integrated processor provides accurate measurement results.

Infrared thermometer for non-contact surface temperature measurements

12:1 optics and high resolution processor for accurate measurement results

The testo 350 is a rugged, easy-to-use exhaust gas analyzer designed to meet the highest demands when it comes to carrying out precise industrial emission measurements and providing proper data administration. The Analysis Box can be operated with up to 6 gas sensors, 5 of which are optional. This allows you to select freely from sensors for CO, NO, NO2, SO2, H2S, CxHy and CO2.

Increased measurement range for unlimited measurements even when gas concentrations are higher

Easy-to-change gas sensors and easy access to wearing parts

Sealed housing with built-in impact protection for use in harsh conditions

Air flow measurements in ducts, temperature measurements in laboratories, humidity measurements in production, pressure difference measurements in clean rooms. The testo 480 digital temperature, humidity and air flow meter comes with a wide range of optional sensors that allow you to measure, analyse and log these and a variety of other parameters with only one device.

Being a systems mechanic you know only too well how tough things can get when you’re working out in the field. That’s why your measuring tools need to be rugged and reliable. Like the testo 310 flue gas analyzer. Designed especially for use in the field.

Emission checks in industry: Professional technology meets practical design. The testo 340 combustion analyzer is an easy-to-use flue gas analyzer that can be fitted with up to four different gas sensors.

Can measure CO, COlow, NO, NOlow, NO2 or SO2

Extended measuring range for use in environments with high gas concentrations

The testo 350 is a rugged, easy-to-use exhaust gas analyzer designed to meet the highest demands when it comes to carrying out precise industrial emission measurements and providing proper data administration. The Control Unit complements the testo 350 Analysis Box (separate product) and makes it easier to control emission measurements.

User-friendly application-specific menu guide

testo 350 Analysis Box just as easy to use when not positioned at measurement site

The testo 435-4 multifunction indoor air quality meter allows you to carry out all the measurements you need to inspect and adjust ventilation and air conditioning systems and to check the quality of the indoor air. There is also an integrated pressure difference sensor for pitot static tube measurements and filter monitoring and a wide range of optionally available sensors and probes to choose from.

The testo 570-2 is a digital 4-way manifold gauge that combines the functions of all the old tools and measuring instruments it can so easily replace. The hvac manifold can measure, analyze and log – among other things – pressure, temperature, electricity and vacuum measurements.

40 refrigerants already stored in the meter

Simultaneous superheat and subcooling calculation

999 hours of measuring data for logging and further evaluation on your PC

Temperature measurements; measurements with up to three temperature sensors; direct display of temperature differences: the testo 922 digital temperature meter is ideal for professional use in the fields of heating, plumbing and air conditioning.

Temperature measurements and temperature difference display

Wide measuring range from -50 °C to 1 000 °C

Connecting points for two type K temperature sensors; wireless connectivity for a third temperature sensor

The testo 435-2 indoor air quality meter allows you to carry out all the measurements that are necessary to check and adjust ventilation and air conditioning systems and assess the quality of the indoor air. Select from a wide range of probes and sensors. Because it’s you know best what your meter needs to be able to do!

Calibration of static temperature sensors, temperature measurements in the cosmetics industry, chemical laboratories, the field of cooling and refrigeration technology, the food industry: the testo 735-2 multichannel thermometer can master virtually any application thanks to a wide range of optionally available sensors, a super-size memory and wireless data transfer.

Up to 3 connectable sensors and a further 3 temperature sensors which can be connected wirelessly to the meter

Super-size memory for up to 10 000 readings; PC software and USB cable included

Extremely accurate sensor (optional) for a system accuracy of up to 0.05 °C

The testo 830-T4 infrared thermometer also achieves accurate results at greater distances during non-contact surface temperature measurement. This is provided by its 30:1 optics and powerful processor. The infrared temperature measuring instrument carries out measuring tasks in trade and industry quickly and efficiently.

The testo 720 digital temperature meter is designed specifically for the special needs of laboratories and the industry and comes with a wide range of optional connectable sensors for surface temperature, air temperature and immersion measurements.

Port for one RTD or NTC sensor

Wide range of optional sensors for individual requirements

User-defined thresholds, audible alarm when thresholds are exceeded

Optional accessories for individual adaptation, i.e. protection against aggressive media for use in laboratories